release branch

o Added tests for previously-untested clients.

o Uupdate versions for new location:

  - zope.pagetemplate==3.5.0
  - zope.app.pagetemplate==3.7.0
  - zope.app.publisher==3.8.1

Catch up with the rest of the Zope Toolkit of the day and loose dependencies on zope.app.appsetup, zope.app.component and zope.app.container.

Updated packages: pytz 2009g, zope.browser 1.2, zope.container 3.8.2, zope.lifecycleevent 3.5.2, zope.location 3.5.4, zope.publisher 3.7.0, zope.testing 3.7.4.

Testing.ZopeTestCase: Include a copy of ZODB.tests.warnhook to silence a DeprecationWarning under Python 2.6.

These changes weren't discussed with the community first, they break backwards compatibility, and environment should logically be one dict-like object, not a sequence of dicts.

"""
Please do no longer assume everything has an AQ wrapper.
context._p_jar.add(aq_base(o))
works just as well.
"""

  file is now a multisection in order to provide a more modular configuration
  support.

. Browser ID managers created before the 'HTTPOnly' feature landed didn't
  have a 'cookie_httponly' attribute.  https://bugs.launchpad.net/bugs/374816

  firewalls and security proxies.

- Launchpad #374719: introducing new ZPublisher events:
  PubStart, PubSuccess, PubFailure, PubAfterTraversal and PubBeforeCommit

- Launchpad #373658: traversal using (un)restrictedTraverse 
  no longer depends no the existence of a request 

  extended the test suite.

  prevent connection leaks in case of persistent changes after the main
  transaction is closed.

- Launchpad #373621: catching and logging exceptions that could cause
  leaking of worker threads

  leaking of worker threads